CVE-2026-116942
Microsoft SQL Server Remote Code Execution Vulnerability
Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Microsoft SQL Server Remote Code Execution Vulnerability
Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.
- Record
CVE-2026-116942- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Weakness
- CWE-122
- Updated
- 2026-11-10
EUVDEUVD-2026-122534
Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.
- Record
EUVD-2026-122534- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Updated
- 2026-11-10
GitHub AdvisoriesGHSA-cwvv-m29r-xxf7
Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a...
Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.
- Record
GHSA-cwvv-m29r-xxf7- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-122
- Updated
- 2026-11-10
NVD
Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.
- Record
CVE-2026-116942- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-122
- Updated
- 2026-11-10
Affected products
- microsoft sql server 2017 for x64-based systems (cu31)
- microsoft sql server 2019 (gdr)
- microsoft sql server 2019 for x64-based systems (cu32)
- microsoft sql server 2022 (gdr)
- microsoft sql server 2022 for x64-based systems (cu27)
- microsoft sql server 2025 cu10
- microsoft sql server 2025 for x64-based systems (gdr)
History
| Recorded | Changed | Sources |
|---|---|---|
| published | EUVD | |
| published | EUVD, NVD | |
| aliases, references | GitHub Advisories | |
| cwes, references, severity, title | CVE List | |
| first indexed | EUVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-116942 is a high vulnerability (CVSS 8.8) in Microsoft Sql Server 2017 For X64-based Systems (cu31), published November 10, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.86%, the 58th percentile. No source names a fixed version.